﻿// Copyright 2013-2016 Serilog Contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Serilog.Sinks.File;

static class IOErrors
{
    public static bool IsLockedFile(IOException ex)
    {
#if HRESULTS
        var errorCode = System.Runtime.InteropServices.Marshal.GetHRForException(ex) & ((1 << 16) - 1);
        return errorCode == 32 || errorCode == 33;
#else
        return true;
#endif
    }
}
